英语词汇pre-arc period是什么意思，pre-arc period的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	pre-arc period
释义	pre-arc period　【化】 (发射光谱分析中的)前电弧期
随便看	quality meter quality metric quality monitoring quality number quality of bill of exchange quality of certified level quality of coded picture quality of conformation quality of connection quality of convergence quality of design quality of design quality of estate quality of export and import commodities quality of fit quality of item quality of knowledge quality of life quality of life quality of life quality of life quality of locality quality of lot quality of mark quality of material

英汉汉英翻译词典包含1679246条英汉翻译词条，基本涵盖了全部常用英语单词及常用语的翻译及用法，是英语学习及翻译工作的有利工具。